B.A. Umberger

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Goodbye World: We’ve Passed the Carbon Tipping Point For Good

Atmospheric carbon levels are probably stuck at 400 parts per million, scientists say.<p>It's a banner week for the end of the world, because we've officially pushed atmospheric carbon levels past their dreaded 400 parts per million. Permanently.<p>According to a blog post last Friday from the Scripps …

Climate Change

Finland’s last snow melts a month earlier than usual

The Finnish Meteorological Institute reports that it expects the last snow in Finland to melt on Sunday.<p>Measurement stations throughout the country …

Global Warming

Kashmir: Melting glaciers threaten Ladakh's nature

Rise in temperature melts Himalayan glaciers in Kashmir's Ladakh region, threatening the lives of thousands of people.<p><b>Leh, Ladakh -</b> Tsering Jorgay, a 40-year-old from the village of Kuri in Indian-administered Kashmir's Ladakh region, was deep in conversation with Jigmet Norphel, a young engineer …

Global Warming

Should You Be Worried About Your Water Supply?

Cape Town was in danger this year of becoming the first big city to run out of water, which forced the South African metropolis to impose severe …

Water

Scientists struggle to explain a worrying rise in atmospheric methane

EVERY year human endeavours emit 50bn tonnes of “carbon dioxide equivalent”. This way of measuring things reflects the climatic importance of CO2, …

Climate Change

Melting of Arctic mountain glaciers unprecedented in the past 400 years

Glaciers in Alaska's Denali National Park are melting faster than at any time in the past four centuries because of rising summer temperatures, a new …

Climate Change

Global oceans feel the heat: Warming trend worries scientists

Ocean heatwaves are becoming alarmingly more common as a direct result of human-induced climate change, scientists have warned.<p>A new study reveals …

As Antarctic Melting Accelerates, Worst-Case Scenarios May Come True

(Photo: NASA HQ Photo)<p>Some of the world's most profound melting of glaciers is happening in the Antarctic; and is invisible from above.<p>According to a …

We Just Experienced the Hottest Four Years in Earth's Recent History

Planet Earth just experienced its warmest four years in moden history, with 2017 one of the hottest years ever recorded.<p>Exactly how hot it was last …

2017 Set an Astonishing New Temperature Record

The 2017 temps are in, and NASA reports that 2017 was the second-hottest year on record. On a global basis, 2017 was 0.9ºC hotter than the 20th …

Global Warming

Checkmate: how do climate science deniers' predictions stack up?

The years 2017, 2016 and 2015 will make up the three hottest years on record for the planet. But there’s no convincing some people<p>When the global temperature readings are in for 2017, it’s going to be a very hard sell for climate-science deniers: 2017 will likely be ranked either side of 2015 as …

Climate Change

Welcome to the ‘New Arctic’: The Region ‘As We Once Knew It Is No More’

By Andy Rowell<p>For many people in the Northern Hemisphere who celebrate Christmas, the iconic image is one of snow or a Santa Claus driving a sleigh …

The Arctic is warming twice as fast as the rest of the globe

Arctic air temperatures are increasing at a “phenomenal rate” – double the rate of global temperatures, according to the 2017 edition of the National …

Algae on Greenland Ice Sheet Significantly Hasten Its Melting

Naturally occurring algae on Greenland’s massive ice sheet absorb large amounts of the sun’s energy and speed up the melting of the ice sheet even …

Research

Warmer Arctic temperatures are the 'new normal,' report finds

<b>(CNN) —</b> Arctic temperatures are continuing to rise while sea ice declines, a new report has found, with the region showing no sign of returning to its "reliably frozen" state.<p>The report, sponsored by the US National Oceanic and Atmospheric Administration (NOAA), shows that in 2017 a warming trend …

Global Warming

Satellite imagery shows just how bad the loss of Arctic sea ice has been off Alaska and eastern Siberia

Where sea ice should already be present, there are just vast swaths of open water. The cause: storminess and massive inflows of warmth. With winter …

Global Warming

Earth is approaching 'tipping points' that could accelerate global warming beyond our capacity, warn scientists

As climate change drives up temperatures, earth comes ever closer to dangerous 'tipping points' that could accelerate <b>global warming</b> beyond our …

NASA says New York will flood when the ice caps in Greenland and Antarctica melt

New York should be flooded with concern about global warming.<p>Scientists at NASA are using simulation technology from their Jet Propulsion Lab to predict what cities the ice caps will affect when they melt. Using New York, London, and a few other port cities as examples, the simulation shows which …

Climate Change

NASA Pinpoints Which Melting Glaciers Will Drown Your City

via Schmid-Reportagen/Pixabay<p>A hundred years later, the <i>Titanic</i>‘s maiden voyage would probably have gone a lot smoother.<p>Glaciers around the world have …

Global warming didn't pause, and is carrying on at catastrophic levels, scientists warn

There was never any “pause” in global warming, new data shows, and the world is warming at a pace that scientists warn will be catastrophic.<p>Gaps in …

Scientists Just Found Another Vulnerability in Antarctica's Icy Armor

It’s becoming increasingly clear that no place on Earth is safe from the influence of carbon pollution, and East Antarctica is no exception. Research …

Global Warming

A Glacier That Could Add 11 Feet To The Sea Level Is Dangerously Close To Melting

It's all thanks to global warming.<p>Totten glacier, the largest in East Antarctica, is being melted from below by warm water that reaches the ice.<p>Up …

New NASA Maps Have Very Bad News For Greenland

The notoriously large ice island won't be large for long.<p>Nestled between the Arctic and Atlantic oceans is Greenland, a slab of ice and rock that has …

Warm waters melting Antarctic ice shelves may have appeared for the first time in over 7,000 years

The vast expanse of the Antarctic is a region of the world particularly vulnerable to climate change, where ice loss has the potential to …

Forest Fires Stoke Record Loss in World Tree Cover

OSLO (Reuters) - Forest fires in Brazil and Indonesia contributed to a record loss in global tree cover in 2016, equivalent to the size of New …

U.S. Braces for a Third Straight Warm Winter

Natural gas traders are facing the possibility of another mild U.S. winter.<p>Temperatures from December through February will be above normal for much …

Oceans could rise as much as six feet within the century, so say goodbye to the coast

The effects of human-prompted climate change are varied and unpredictable, and we’re already starting to see some of the effects. Mankind is making …

Scientists Just Found a Serious Flaw in Ocean Temperature Calculations

Oh no.<p>Models used to estimate past ocean temperatures might be based on a flawed assumption, according to new research.<p>If true, it would mean our …

Plastic Debris Found on One of World's Most Inaccessible Sites

Non-biodegradable items such as plastic bottles can break down into tiny pieces or microplastics and can get ingested by marine animals and enter the …

Sea Ice

Why these fast-melting Antarctic glaciers are bad news for sea levels

The four glaciers are grounded, they’re not floating<p>Between 2008 and 2012, warmer than usual waters caused four glaciers in Western Antarctica to flow toward the sea faster than any other glacier on the continent. The glaciers also lost more than three times the amount of ice than usual, according …